$195 Cheap Flights from Washington (IAD) to Chattanooga (CHA)

Popular airlines from Washington Dulles Intl. Airport (IAD) to Chattanooga Metropolitan Airport (CHA)

Find available prices by choosing your travel dates.

Cheap Flights from Washington to Chattanooga (IAD-CHA)

Prices were available within the past 7 days and start at $195 for one-way flights and $349 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Delta
Delta
Delta
Delta
Delta
American Airlines
Delta
Delta
United
Flights from Washington (IAD) to Chattanooga (CHA)
Origin airport
Washington Dulles Intl.
Destination airport
Chattanooga Metropolitan
Airlines serving
American Airlines, Delta, United
Roundtrip price
$349
Distance
505 mi

Washington to Chattanooga Flights

The cheapest times to fly from Washington to Chattanooga

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Washington to Chattanooga are during the month of July. You can find some of the cheapest flights from Washington to Chattanooga with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Washington to Chattanooga

Sunday is one of the best days to book for cheap flights from Washington to Chattanooga: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Washington to Chattanooga

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Washington to Chattanooga in 2025. You can also book with separate airlines for your outbound and return journeys, from $195 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Washington to Chattanooga flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Washington to Chattanooga airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much does a flight from Washington Dulles Intl. Airport (IAD) to Chattanooga Metropolitan Airport (CHA) cost?
Discover the latest flight deals from IAD to CHA by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from IAD to CHA?
The cheapest flights from IAD to CHA are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Washington Dulles Intl. Airport (IAD) to Chattanooga Metropolitan Airport (CHA)?
There aren’t any direct flights from Washington, DC (IAD-Washington Dulles Intl.) to Chattanooga Metropolitan Airport (CHA). However, you’ll find other airports that have nonstop flights. Begin your journey at Ronald Reagan Washington National Airport (DCA) and travel straight to Chattanooga without any detours.
What is the cheapest airline that flies from IAD to CHA?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from IAD to CHA. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Washington Dulles Intl. Airport (IAD) to Chattanooga Metropolitan Airport (CHA)?
There aren’t any daily direct flights departing from Washington Dulles Intl. Airport (IAD) to Chattanooga Metropolitan Airport (CHA). But you can choose flights with layovers. Filter your search on Expedia to include one or two stops, and you’ll be cruising above the clouds before you know it.
What day of the week has the most flights from IAD to CHA?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can vary based on various factors, including the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Washington Dulles Intl. Airport (IAD) to Chattanooga Metropolitan Airport (CHA)?
To avoid possible delays on the Washington Dulles Intl. Airport (IAD) to Chattanooga Metropolitan Airport (CHA) route, fly before 3 PM. Departures after this hour are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
Is it cheaper to buy a plane ticket from Washington Dulles Intl. Airport (IAD) to Chattanooga Metropolitan Airport (CHA) last-minute?
Booking your plane ticket from IAD to CHA shortly before your journey is usually more expensive. But if there’s some wiggle room with your departure times and dates, you could score a cheap last-minute fare.
Is it cheaper to book an IAD to CHA flight and hotel package?
You’ll typically save money by securing an IAD to CHA flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it’s easy to manage everything in one place. After selecting your ideal flights and accommodations, consider adding extras like activities, car rentals and tours.
Can I cancel or change the date of my flight from Washington Dulles Intl. Airport (IAD) to Chattanooga Metropolitan Airport (CHA)?
In most instances, you can reschedule or cancel your IAD to CHA flight. However, there may be additional charges, especially if your booking was made over 24 hours ago. Double-check your itinerary for the airline’s guidelines and fees on flight changes, or if you need further information, head to our Customer Service portal.

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*Available to One Key members.